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CONSOLIDATED STATEMENTS OF CHANGES IN EQUITY - USD ($)
shares in Thousands, $ in Thousands
Total
Common Stock
Additional Paid-In Capital
Retained Earnings
Non-controlling interest equity
Beginning balance (in shares) at Dec. 31, 2018   33,705      
Beginning balance at Dec. 31, 2018 $ 87,177 $ 34 $ 52,920 $ 34,223 $ 0
Increase (Decrease) in Stockholders' Equity [Roll Forward]          
Shares issued on stock options exercised for cash (in shares)   61      
Shares issued on stock options exercised for cash 207   207    
Stock based compensation 3,581   3,581    
Shares issued on net settlement of stock options (in shares)   223      
Vested restricted stock issued (in shares)   181      
Net loss (19,706)     (19,706)  
Ending balance (in shares) at Dec. 31, 2019   34,170      
Ending balance at Dec. 31, 2019 71,259 $ 34 56,708 14,517 0
Increase (Decrease) in Stockholders' Equity [Roll Forward]          
Contributions from non-controlling interest 148       148
Shares issued on stock options exercised for cash (in shares)   27      
Shares issued on stock options exercised for cash 148   148    
Stock based compensation 4,210   4,210    
Shares issued on net settlement of stock options (in shares)   47      
Vested restricted stock issued (in shares)   45      
Net loss (11,906)     (11,896) (10)
Ending balance (in shares) at Dec. 31, 2020   34,289      
Ending balance at Dec. 31, 2020 $ 63,859 $ 34 $ 61,066 $ 2,621 $ 138